GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 Body and Accessories 🢒 Body Rear End 🢒 Rear Compartment Lid Release Inoperative

Step

Action

Value(s)

Yes

No

1

Did you review the operation and perform the necessary inspections?

--

Go to Step 2

Go to Symptoms - Body Rear End

2
  1. Turn the ignition to the RUN position.
  2. Manual Transmission: Ensure that the park brake is applied.

    3. Automatic Transmission: Ensure that the transmission is in either the PARK or NEUTRAL position.

  3. Press the rear compartment lid release switch in the vehicle.

Does the rear compartment open normally?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3
  1. Connect a test lamp to ground.
  2. Backprobe the rear compartment lid release actuator terminal A. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 5

Go to Step 4

4
  1. Connect a test lamp to ground.
  2. Backprobe the rear compartment lid release relay terminal C1 to ground. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 7

Go to Step 8

5

Test for and repair a short to battery voltage in circuit 56 between the rear compartment lid release actuator and the rear compartment lid release relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and repair a short?

--

Go to Step 27

Go to Step 6

6

Replace the rear compartment lid release relay.

Did you complete the replacement?

--

Go to Step 27

--

7
  1. Disconnect the rear compartment lid release relay connector.
  2. Momentarily connect a 15A fused jumper from terminal C1 to terminal A2 of the rear compartment lid release relay connector. Refer to Circuit Testing in Wiring Systems.

Does the rear compartment lid release actuator operate?

--

Go to Step 9

Go to Step 10

8

Repair the open in circuit 640. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 27

--

9
  1. Connect a test lamp to ground.
  2. Backprobe the rear compartment lid release relay terminal C2. Refer to Circuit Testing in Wiring Systems.
  3. Operate the rear compartment lid release switch.

Does the test lamp illuminate?

--

Go to Step 11

Go to Step 12

10
  1. Reconnect the 15A fused jumper from terminal C1 to terminal A2 of the rear compartment lid release relay connector.
  2. Connect a test lamp to ground.
  3. Backprobe the rear compartment lid release actuator connector terminal A. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 13

Go to Step 14

11
  1. Connect a multimeter between the rear compartment lid release relay connector terminals C1(+) and terminal A1(-).
  2. Set the parking brake on vehicles equipped with a manual transmission.

    3. Place vehicles equipped with an automatic transmission in PARK or NEUTRAL.

  3. Test for 9 to 15 VDC between the test points listed.

Is 9 to 15 VDC present?

9-15 Volts

Go to Step 15

Go to Step 17

12
  1. Disconnect the body control module (BCM) connector C3 and connector C2.
  2. Connect a test lamp between the connector C2 terminal B and the connector C3 terminal D3. Refer to Circuit Testing in Wiring Systems.
  3. Press the rear compartment lid release switch.

Does the test lamp illuminate?

--

Go to Step 21

Go to Step 22

13
  1. Disconnect the rear compartment lid release actuator.
  2. Connect a test lamp to the rear compartment lid release actuator connector from terminal A to terminal B. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 18

Go to Step 20

14

Repair the open in circuit 56 between the rear compartment lid release relay and the rear compartment lid release actuator. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

System OK

Go to Step 27

15

Test for and repair faulty connections at the rear compartment lid release relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and repair faulty connections?

--

Go to Step 27

Go to Step 16

16

Replace the rear compartment lid release relay.

Did you complete the replacement?

--

Go to Step 27

--

17

Automatic Transmission:

  1. Inspect for an open in circuit 816/434 between the rear compartment lid release relay and the park/neutral position switch. Refer to Circuit Testing in Wiring Systems.
  2. Inspect for an open in circuit 451 between the park neutral position switch and splice S215. Refer to Circuit Testing in Wiring Systems.
  3. Inspect for a faulty connection at the park/neutral switch. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
  4. Inspect the park/neutral position switch for correct adjustment. Refer to Park/Neutral Position Switch Adjustment .
  5. If the adjustment is OK, replace the park/neutral switch. Refer to Park/Neutral Position Switch Replacement .

Manual Transmission:

  1. Inspect for an open circuit 33. Refer to Circuit Testing in Wiring Systems.
  2. Inspect for faulty connections at the daytime running lamps module connector C2 terminal D and terminal E. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
  3. Inspect Domestic and Gulf States vehicles for an open in circuit 1134 between the daytime running lamps (DRL) module and the park brake switch. Refer to Circuit Testing in Wiring Systems.
  4. If the circuits and the connections are OK, replace the park brake switch.

Is the repair complete?

--

Go to Step 27

--

18

Inspect for and repair faulty connections at the rear compartment lid release actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and repair a faulty connection?

--

Go to Step 27

Go to Step 19

19

Replace the rear compartment lid release actuator. Refer to Liftgate Lock Actuator Replacement .

Did you complete the replacement?

--

Go to Step 27

--

20

Repair an open in circuit 1550 between the rear compartment lid release actuator and splice S470. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 27

--

21

Connect a 20A fused jumper between the body control module (BCM) connector C2 terminal B and connector C3 terminal D4 momentarily. Refer to Circuit Testing in Wiring Systems.

Did the rear compartment lid release operate?

--

Go to Step 25

Go to Step 26

22

Inspect for and repair an open in circuit 1576 between the body control module (BCM) and the rear compartment lid release switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and repair an open?

--

Go to Step 27

Go to Step 23

23

Inspect for and repair an open in circuit 650 between the rear compartment lid release switch and splice S216. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and repair an open?

--

Go to Step 27

Go to Step 24

24

Replace the rear compartment lid release switch. Refer to Rear Compartment Lid Switch Replacement .

Did you complete the replacement?

--

Go to Step 27

--

25

Replace the body control module (BCM). Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

--

Go to Step 27

--

26

Repair the open in circuit 253 between the body control module (BCM) and the rear compartment lid release relay. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 27

--

27

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3